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622972070 = 25753167917
BaseRepresentation
bin100101001000011…
…100110010100110
31121102020021000122
4211020130302212
52233440101240
6141452241542
721303114050
oct4510346246
91542207018
10622972070
1129a719156
121547702b2
139c0aca36
145ca468d0
1539a594b5
hex2521cca6

622972070 has 32 divisors (see below), whose sum is σ = 1305730368. Its totient is φ = 209559168.

The previous prime is 622972069. The next prime is 622972073. The reversal of 622972070 is 70279226.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 622972070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622972073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80249 + ... + 87668.

It is an arithmetic number, because the mean of its divisors is an integer number (40804074).

Almost surely, 2622972070 is an apocalyptic number.

622972070 is an abundant number, since it is smaller than the sum of its proper divisors (682758298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622972070 is a wasteful number, since it uses less digits than its factorization.

622972070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167984.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 622972070 is about 24959.4084465157. The cubic root of 622972070 is about 854.0622483132.

The spelling of 622972070 in words is "six hundred twenty-two million, nine hundred seventy-two thousand, seventy".

Divisors: 1 2 5 7 10 14 35 53 70 106 265 371 530 742 1855 3710 167917 335834 839585 1175419 1679170 2350838 5877095 8899601 11754190 17799202 44498005 62297207 88996010 124594414 311486035 622972070